General discussion • Re: Bought a 2nd hand Pi 4. It has a strange click sound...
That sound is not normal. hard to tell if it's coming from the Pi or something from the case.I would advise to take the Pi out of the case and run the Pi without the case to see where the sound is...
View ArticleGraphics, sound and multimedia • Re: digital dash using raspberry pi 4
'ere 'tis:car psu B_schem.jpgOK, an opto and a couple of transistor too.Acc comes on energise the first relay which powers the Pi and feeds a GPIO through an optocoupler. Pi sets GPIO high which...
View ArticleOther programming languages • Re: JavaScript graph library, for embedding and...
It took a while, and work is not completely done yet.Newest version does at least for the problematic edge work with latest commit.So for edge 2 this command ...Code: ./rjs...
View ArticleGeneral • Re: RP2350 arm floating point support
Ok, thanks.Statistics: Posted by lurk101 — Sun Sep 08, 2024 11:33 pm
View ArticleGeneral discussion • M.2 HAT+ mounted on the bottom of the Pi5?
I just purchased the official Raspberry Pi M.2 HAT+ from Microcenter here in the US and a 2230 M2 NVMe SSD.I know the official guide is to mount the HAT on top of the Pi, but I am curious if I can...
View ArticleSDK • Re: static_assert in SDK file accessctrl.h:
are you sure you didn't accidentally edit the file !?Statistics: Posted by kilograham — Mon Sep 09, 2024 12:05 am
View ArticleGeneral • Re: Buffering of uncached XIP loads and stores?
Be safe and not sorry. Just know. You should ask when based on XIP?Forgive the bluntness. However this is kind of mad. (I trust I can say this.)Statistics: Posted by dthacher — Mon Sep 09, 2024 12:31 am
View ArticleGeneral discussion • Will AnyDesk run on a Pi 5
I followed the installation guide for the Pi 400. The Icon appeared as an option under Internet. However, it will not run on my Pi 5. I have seen posts that Anydesk may not run a Pi 5. I would...
View ArticleBeginners • Re: @thagrol? Non GPIO 3 start up shutdown pi zero 2w?
I'm not at all sure I follow that circuit. But if I do...It's overill. The simple four wire DP/two switch method works.3.3v is shorted to GPIO27 throguh aprox 900 ohmWon't Q1's base also be pulled low...
View ArticleGeneral discussion • Re: Power Supply for RPI 3
Need a new power supply for a raspberry pi 3. I'm running latest software and MagicMirror. Enclosed with a 7" touch screen. Also using a USB wireless antenna. Internal wireless not enough.Since...
View ArticleC/C++ • pico/cyw43_arch.h
I just bought 2 raspberry pi pico w's and im trying to create a wifi to serial bridge to access a serial device over wifiI'm using VS Code on Fedora 40, and have installed the Raspberry Pi extension...
View ArticleTroubleshooting • Re: Bricked Pi5 after udpate & upgrade
Probably not 'bricked.'At least, not in my understanding of that slang, which I take to mean something like: "hardware that is rendered non-functional in such a way that recovery via software can not...
View ArticleNetworking and servers • Re: WiFi over ~30m any suitable antenna options?
Couple of other options: Powerline Ethernet Adapter -- One side you plug in the Master to an outlet and take a RJ45 connection and plug it into your Router, somewhere else outside that has power,...
View ArticleAutomation, sensing and robotics • Re: code PIR motion sensor to trigger a...
So it must be the relay - is it an "active low" module and can you show a picture of it and the wiring?i bought from ebay: https://www.ebay.com/itm/292160479941seems "active low" according to...
View ArticleGeneral discussion • Re: how to create a data repository Pi ai can access
Pi aiWhich software package? How is it configured?The only Pi AI I have looked at is the Hailo chip. AT the time, a few months ago, Hailo said it was working with image processing SDKs but everything...
View ArticleGeneral discussion • Re: Random question SD card reader
write to SD cards of coursemicroSD slot is one tenth the speed of USB 3. A good reason to not use it for more than the occasional backup. My good microSD cards are twice the microSD card slot speed so...
View ArticleAutomation, sensing and robotics • Rotary encoder issues
I currently have a 600 p/r encoder hooked up to a pi 4. Seems to work ok, but due to the pi OS (bookworm) it usually misses some counts. From what I read, it seems that there are 2 possible ways to...
View ArticleTroubleshooting • Pi 5 not accessible by other Pi’s Mount
Hi Folks!Need some assistance on getting my Raspberry 5 to talk to to my other Raspberry Pi’s.Raspberry Pi 5 with a 1 TB NVMe (FAST!! – sorry: distracted!), running Bookworm. The directory to be...
View ArticleGeneral • Re: Continues SPI transfer
...The FT232H is the master in this case, my rp2040 is the slave. I have measured the clock with my Saleae logic pro 16 and it is roughly 30MHz....Oh, in that case, I think you're already running out...
View ArticleGraphics, sound and multimedia • Re: iMac as display for RPI5
Many thanks for your report inspector_gadget. And I'm glad to pump some dopamine into your veins. I didn't mention the issue in my first advice because I believed it was my fault during the...
View Article